Color

#289d15

#289d15
hex#289d15
rgbrgb(40, 157, 21)
hslhsl(112, 76%, 35%)
oklchoklch(0.609 0.193 141.4)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2462

Colors that go with #289d15

Charcoal, Crimson and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8b159d

#6b9d15 · #159d47

#15289d · #9d1528

Split-complementary

Open in tool →

#47159d · #9d156b

#156b9d · #8b159d · #9d4715

Contrast

#289d15 as textRatioAAAA largeAAAFix
Aaon white
3.54:1failpassfail
  • AA: use #228712 as the text (4.62:1)
  • AAA: use #1a670e as the text (7.02:1)
  • AA: or shift the background to #212121 (4.54:1)
Aaon black
5.92:1passpassfail
  • AAA: use #2caf18 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #289d15 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #289d15
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #289d15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/289d15-a2bea2-864edf-1f2d23-eef1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md